Unlimited discretionary power to act; unrestricted authority.
A blank paper that is signed by some authority and given to a person to fill as he or she pleases.
As an undifferentiated mass, without regard to distinctions; willy-nilly. (Possibly from confusion with another French phrase, en masse.)
The right to express an opinion in public without being restrained or censored.
Expressions that are or should be allowed in some moral or legal context.